1366 - Incorrect integer value: '' for column `mapshopatlogis`.`whos_online`.`customer_id` at row 1

insert into whos_online (customer_id, full_name, session_id, ip_address, time_entry, time_last_click, last_page_url) values ('', 'Guest', '17156e02df0f0ed9630615b17f15aed7', '18.188.40.207', '1713260342', '1713260342', '/index.php/cat/c33_Satellitenbilder-Digital.html')

[XT SQL Error]